All flights to porto airport are currently diverting this morning.
Weather is challenging for flight operations at Porto Airport this morning.
Arrivals not available from 0620 until 0900 UTC due to low visibility. It was only 100 m this morning, now increasing to 300 m.
Flights are diverting to Lisbon and Santiago de Compostela.
Eurocontrol says flight operations will resume after 0900 UTC at low rate.
High delays are expected during the day.